Home / 82,746,511.47-114,190,180.42-47,959,380.07

Finding the Fourth Proportional to 82,746,511.47, 114,190,180.42 and 47,959,380.07

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Solution

The fourth proportional to 82,746,511.47, 114,190,180.42 and 47,959,380.07 is: 66,183,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,746,511.47 : 114,190,180.42 = 47,959,380.07 : x
  2. Step 2: Convert to fraction form
    82,746,511.47/114,190,180.42 = 47,959,380.07/x
  3. Step 3: Cross multiply
    82,746,511.47x = 114,190,180.42 × 47,959,380.07
  4. Step 4: Simplify right side
    82,746,511.47x = 5,476,490,263,024,652
  5. Step 5: Solve for x
    x = 5,476,490,263,024,652/82,746,511.47
  6. Step 6: Final answer
    x = 66,183,941.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.